CN217350442U - Crane trolley lifting structure - Google Patents
Crane trolley lifting structure Download PDFInfo
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- CN217350442U CN217350442U CN202222003441.XU CN202222003441U CN217350442U CN 217350442 U CN217350442 U CN 217350442U CN 202222003441 U CN202222003441 U CN 202222003441U CN 217350442 U CN217350442 U CN 217350442U
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- hoisting
- trolley
- drums
- lifting
- drum
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Abstract
A hoisting structure of a crane trolley comprises a trolley frame, trolley travelling mechanisms are arranged at four corners of the bottom end of the trolley frame, a hoisting mechanism is arranged at the top end of the trolley frame and comprises hoisting drums, the two hoisting drums are arranged at intervals and coaxially, a speed reducer is arranged between the hoisting drums, a power output shaft of the speed reducer is in transmission connection with the hoisting drums, a hoisting motor is fixed on the trolley frame at one side of the hoisting drums, a power output shaft of the hoisting motor is in transmission connection with a power input shaft of the speed reducer, a drum-shaped tooth coupling is arranged between the two speed reducers and is coaxially arranged with the two hoisting drums, and two ends of the drum-shaped gear coupling are respectively in transmission connection with a power output shaft of the speed reducer, a lifting appliance is arranged below the trolley frame, movable pulley blocks which are in one-to-one correspondence with the lifting mechanism are arranged at the top end of the lifting appliance, and the lifting winding drum is connected with the movable pulley blocks through a steel wire rope. The utility model has simple structure and convenient use.
Description
Technical Field
The utility model belongs to the technical field of the hoist, especially, relate to a monkey hoisting structure.
Background
Generally, a hoisting mechanism is composed of a motor, a speed reducer, a brake, a coupler, a transmission shaft, a winding drum, a lifting hook, a steel wire rope and a pulley block, wherein an output shaft of the speed reducer drives the winding drum to rotate, the steel wire rope is wound on the winding drum to drive the lifting hook to ascend or descend, one end of the winding drum group is supported on the speed reducer through a bearing, and the other end of the winding drum group is supported on a lower foundation through a bearing seat. In the technical field of metallurgy, a hoisting mechanism needs to hoist a steel ladle, a lifting appliance for hoisting the steel ladle is shown in the attached drawing 1 of the specification and comprises a supporting beam and two movable pulley blocks arranged at the top end of the supporting beam, a lifting reel is usually longer in length in order to meet the use requirement of the steel ladle lifting appliance of the conventional trolley hoisting mechanism for hoisting the steel ladle, the diameter of the lifting reel is usually larger, and the output power of a lifting motor is also larger, so that the whole body of the conventional trolley hoisting mechanism is heavier, and the lifting motor is easy to damage, therefore, in the prior art, the structure of the trolley hoisting mechanism is heavier, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a it is longer and the diameter is great to solve the lifting reel length of current hoist, the whole heavy technical problem of hoisting mechanism, a monkey hoisting structure is provided, including the dolly frame, the dolly frame plays the supporting role, the bottom four corners department of dolly frame all is equipped with dolly running gear, dolly running gear assembles on dolly walking track, dolly running gear includes the running wheel case, the top and the dolly frame of running wheel case are articulated, the last rotatable dolly walking wheel that is equipped with of running wheel case, the outside of running wheel case is equipped with dolly walking motor, dolly walking motor is connected with dolly walking wheel transmission, dolly walking motor drives dolly walking wheel rotation, dolly walking wheel drives the dolly frame and follows dolly walking orbital motion. The top end of the trolley frame is provided with two symmetrically arranged hoisting mechanisms, each hoisting mechanism comprises hoisting drums assembled at the top end of the trolley frame, the two hoisting drums are arranged at intervals and coaxially, two speed reducers are arranged between the two hoisting drums, power output shafts of the speed reducers are in transmission connection with the hoisting drums, a hoisting motor is fixed on the trolley frame at one side of the hoisting drums, the power output shaft of the hoisting motor is in transmission connection with a power input shaft of the speed reducers, a drum-shaped tooth coupling is arranged between the two speed reducers (the drum-shaped tooth coupling belongs to a rigid flexible coupling and has the compensation capability of radial, axial and angular equiaxial line deviations, compared with a CL-type straight tooth coupling, the drum-shaped tooth coupling has the advantages of compact structure, small turning radius, large bearing capacity, high transmission efficiency, low noise, long maintenance period and the like), and the drum-shaped coaxial line is arranged with the two hoisting drums, and two ends of the drum-shaped gear coupling are respectively in transmission connection with a power output shaft of the speed reducer, a lifting appliance is arranged below the trolley frame, movable pulley blocks which are in one-to-one correspondence with the lifting mechanisms are arranged at the top end of the lifting appliance, the lifting drums are connected with the movable pulley blocks through steel wire ropes, the two lifting motors drive the two lifting drums to synchronously act, and the lifting appliance is synchronously lifted through the steel wire ropes.
Preferably, a brake is arranged between the lifting motor and the speed reducer, a brake disc is fixed on a power output shaft of the speed reducer, the brake is assembled with the brake disc, and the brake plays a role in emergency braking and plays a role in protecting the lifting mechanism.
Preferably, a drum-shaped tooth coupling is arranged between the lifting motor and the speed reducer, and the lifting motor is in transmission connection through the drum-shaped tooth coupling.
Preferably, the outer sides of the crowned tooth couplings are provided with protective covers for protection.
Preferably, one end of both lifting drums is fitted with a lifting height limiter.
Preferably, a climbing ladder is arranged on one side of the trolley frame.
Preferably, the top end of the trolley frame is provided with a railing.
The scheme has the following advantages:
two hoisting mechanisms are arranged on the frame of the trolley, and compared with a hoisting drum and a hoisting motor, the volume of the hoisting drum is reduced, and the torque of the hoisting drum is reduced, so that the power of the hoisting motor which needs to provide power is reduced, the overall weight of the hoisting mechanism is reduced, and the trolley is lighter and more flexible; the brake plays a role in emergency braking, plays a role in protecting the hoisting mechanism, and avoids the phenomenon that the lifting appliance quickly falls down due to the damage of the motor; the lifting height limiter limits the lifting height of the lifting hook.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a left side view structure diagram of the present invention;
fig. 3 is a schematic top view of the present invention.
Reference numerals: 1. a trolley frame; 2. a trolley travelling mechanism; 3. a hoisting mechanism; 4. a hoisting height limiter; 5. a railing; 6. climbing a ladder; 21. a traveling wheel box; 22. a trolley travelling wheel; 23. a trolley traveling motor; 31. lifting the winding drum; 32. a speed reducer; 33. a hoisting motor; 34. a drum-shaped tooth coupling; 35. a spreader; 36. a wire rope; 37. a brake; 38. a brake disc; 39. a shield.
Detailed Description
As shown in fig. 1-3, a crane trolley hoisting structure comprises a trolley frame 1, the trolley frame 1 plays a supporting role, four corners of the bottom end of the trolley frame 1 are respectively provided with a trolley travelling mechanism 2, the trolley travelling mechanisms 2 are assembled on a trolley travelling rail, each trolley travelling mechanism 2 comprises a travelling wheel box 21, the top end of each travelling wheel box 21 is hinged to the trolley frame 1, a trolley travelling wheel 22 is rotatably assembled on each travelling wheel box 21, a trolley travelling motor 23 is arranged on the outer side of each travelling wheel box 21, each trolley travelling motor 23 is in transmission connection with a trolley travelling wheel 22, each trolley travelling motor 23 drives each trolley travelling wheel 22 to rotate, and each trolley travelling wheel 22 drives each trolley frame 1 to move along the trolley travelling rail. The top end of the trolley frame 1 is provided with two symmetrically arranged hoisting mechanisms 3, the hoisting mechanisms 3 all comprise hoisting drums 31 assembled at the top end of the trolley frame 1, the two hoisting drums 31 are arranged at intervals and coaxially, two speed reducers 32 are arranged between the two hoisting drums 31, power output shafts of the speed reducers 32 are in transmission connection with the hoisting drums 31, a hoisting motor 33 is fixed on the trolley frame 1 at one side of the hoisting drums 31, the power output shaft of the hoisting motor 33 is in transmission connection with a power input shaft of the speed reducer 32, and a drum-shaped tooth coupling 34 is arranged between the two speed reducers 32 (the drum-shaped tooth coupling 34 belongs to a rigid flexible coupling and has the compensation capability of axial, axial and angular equiaxial line deviation, and compared with a CL-type straight tooth coupling, the hoisting mechanism has the advantages of compact structure, small turning radius, large bearing capability, high transmission efficiency, low noise, long maintenance period and the like), the drum-shaped gear coupling 34 is coaxially arranged with the two lifting drums 31, two ends of the drum-shaped gear coupling 34 are respectively in transmission connection with a power output shaft of the speed reducer 32, a lifting appliance 35 is arranged below the trolley frame 1, movable pulley blocks which are arranged in one-to-one correspondence with the lifting mechanisms 3 are arranged at the top end of the lifting appliance 35, the lifting drums 31 are connected with the movable pulley blocks through steel wire ropes 36, the two lifting motors 33 drive the two lifting drums 31 to synchronously act, and the lifting appliance 35 is synchronously lifted through the steel wire ropes 36.
Preferably, a brake 37 is arranged between the hoisting motor 33 and the speed reducer 32, a brake disc 38 is fixed on a power output shaft of the speed reducer 32, the brake 37 is assembled with the brake disc 38, and the brake 37 plays a role in emergency braking and plays a role in protecting the hoisting mechanism 3.
Preferably, a crowned gear coupling 34 is arranged between the hoisting motor 33 and the speed reducer 32, and the hoisting motor 33 is in transmission connection through the crowned gear coupling 34.
Preferably, the outer sides of the crowned coupling 34 are each provided with a protective shield 39.
Preferably, one end of both hoisting drums 31 is fitted with a hoisting height limiter 4.
Preferably, a climbing ladder 6 is arranged on one side of the trolley frame 1.
Preferably, the top end of the trolley frame 1 is provided with a railing 5.
The use process comprises the following steps:
the utility model discloses when using, start dolly walking motor 23 on the dolly running gear 2, dolly walking motor 23 drives dolly frame 1 along dolly walking pathway movement, when treating hoist 35 to move the ladle top in the metallurgical steel mill, start two simultaneously and play to rise motor 33, two play to rise motor 33 and play to rise reel 31 synchronous rotation, two play to rise reel 31 and pull the vertical downstream of hoist 35 through wire rope 36, treat that hoist 35 hangs and get the ladle after, two play to rise motor 33 and drive two and play to rise reel 31 synchronous rotations, it pulls hoist 35 upward movement to play to rise reel 31, mention the ladle under two combined action that play to rise motor 33.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any is right the utility model discloses scheme after simply changing all belongs to the protection scope of the utility model.
Claims (8)
1. The utility model provides a monkey hoisting structure, includes the dolly frame, and the bottom four corners department of dolly frame all is equipped with dolly running gear, and dolly running gear assembles on dolly walking track, its characterized in that: the top end of the trolley frame is provided with two symmetrically arranged hoisting mechanisms, each hoisting mechanism comprises hoisting drums assembled at the top end of the trolley frame, the two hoisting drums are arranged at intervals and coaxially, two speed reducers are arranged between the two hoisting drums, power output shafts of the speed reducers are in transmission connection with the hoisting drums, a hoisting motor is fixed on the trolley frame at one side of the hoisting drums, the power output shafts of the hoisting motors are in transmission connection with the power input shafts of the speed reducers, a drum-shaped gear coupling is arranged between the two speed reducers and is coaxially arranged with the two hoisting drums, and two ends of the drum-shaped gear coupling are respectively in transmission connection with a power output shaft of the speed reducer, a lifting appliance is arranged below the trolley frame, movable pulley blocks which are in one-to-one correspondence with the lifting mechanism are arranged at the top end of the lifting appliance, and the lifting winding drum is connected with the movable pulley blocks through a steel wire rope.
2. A crane trolley hoisting structure as claimed in claim 1, wherein: a brake is arranged between the lifting motor and the speed reducer, a brake disc is fixed on a power output shaft of the speed reducer, and the brake is assembled with the brake disc.
3. A crane trolley hoisting structure as claimed in claim 2, wherein: a drum-shaped tooth-type coupling is arranged between the lifting motor and the speed reducer, and the lifting motor is in transmission connection through the drum-shaped tooth-type coupling.
4. A crane trolley hoisting structure as claimed in claim 3, wherein: and protective covers with protective functions are arranged on the outer sides of the drum-shaped tooth type couplings.
5. A crane trolley hoisting structure as claimed in claim 1, wherein: the trolley travelling mechanism comprises a travelling wheel box, the top end of the travelling wheel box is hinged with a trolley frame, a trolley travelling wheel is rotatably assembled on the travelling wheel box, a trolley travelling motor is arranged on the outer side of the travelling wheel box, and the trolley travelling motor is in transmission connection with the trolley travelling wheel.
6. A crane trolley hoisting structure as claimed in claim 1, wherein: one end of each of the two hoisting drums is equipped with a hoisting height limiter.
7. A crane trolley hoisting structure according to claim 6, characterized in that: one side of the trolley frame is provided with a climbing ladder.
8. A crane trolley hoisting structure according to claim 7, characterized in that: the top of the trolley frame is provided with a railing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222003441.XU CN217350442U (en) | 2022-08-01 | 2022-08-01 | Crane trolley lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222003441.XU CN217350442U (en) | 2022-08-01 | 2022-08-01 | Crane trolley lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217350442U true CN217350442U (en) | 2022-09-02 |
Family
ID=83039090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222003441.XU Active CN217350442U (en) | 2022-08-01 | 2022-08-01 | Crane trolley lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217350442U (en) |
-
2022
- 2022-08-01 CN CN202222003441.XU patent/CN217350442U/en active Active
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